40684890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{521}}^1$

素因数の和:687

約数の個数: 64

約数和(自身を含む): 103731840

約数和(自身を除く): 63046950

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 137, 190, 274, 285, 411, 521, 570, 685, 822, 1042, 1370, 1563, 2055, 2603, 2605, 3126, 4110, 5206, 5210, 7809, 7815, 9899, 13015, 15618, 15630, 19798, 26030, 29697, 39045, 49495, 59394, 71377, 78090, 98990, 142754, 148485, 214131, 296970, 356885, 428262, 713770, 1070655, 1356163, 2141310, 2712326, 4068489, 6780815, 8136978, 13561630, 20342445, 40684890]

約数ペア:

[(1, 40684890), (2, 20342445), (3, 13561630), (5, 8136978), (6, 6780815), (10, 4068489), (15, 2712326), (19, 2141310), (30, 1356163), (38, 1070655), (57, 713770), (95, 428262), (114, 356885), (137, 296970), (190, 214131), (274, 148485), (285, 142754), (411, 98990), (521, 78090), (570, 71377), (685, 59394), (822, 49495), (1042, 39045), (1370, 29697), (1563, 26030), (2055, 19798), (2603, 15630), (2605, 15618), (3126, 13015), (4110, 9899), (5206, 7815), (5210, 7809)]